When I first got my exhaust done it was making the sound around 3000 rpm and now I put about 60-70+ miles in it and now it's around 4500.
Mar 26, 2012 at 10:06 AM
2010 silverado 1500 crew cab 4.8l too quiet
BRYMAN
- MEMBER
- 1 POST
Have the exhaust system checked for excessive backpressure -start here
Mar 26, 2012 at 10:09 AM
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